參數(shù)資料
型號(hào)： CYRF69103
廠商： Cypress Semiconductor Corp.
英文描述： Programmable Radio on Chip Low Power
中文描述： 可編程片上無線電低功耗
文件頁(yè)數(shù)： 10/73頁(yè)
文件大?。?/td> 683K
代理商： CYRF69103
CYRF69103
Document #: 001-07611 Rev *B
Page 10 of 73
CPU Registers
Flags Register
The Flags Register can only be set or reset with logical instruction.
Accumulator Register
Index Register
Table 3. CPU Flags Register (CPU_F) [R/W]
Bit #
Field
Read/Write
Default
Bits 7:5
Bit 4
7
6
5
4
3
2
1
0
Reserved
–
0
XIO
R/W
0
Super
R
0
Carry
RW
0
Zero
RW
1
Global IE
RW
0
–
0
–
0
Reserved
XIO
Set by the user to select between the register banks
0 = Bank 0
1 = Bank 1
Super
Indicates whether the CPU is executing user code or Supervisor Code. (This code cannot be accessed directly by the user.)
0 = User Code
1 = Supervisor Code
Carry
Set by CPU to indicate whether there has been a carry in the previous logical/arithmetic operation
0 = No Carry
1 = Carry
Zero
Set by CPU to indicate whether there has been a zero result in the previous logical/arithmetic operation
0 = Not Equal to Zero
1 = Equal to Zero
Global IE
Determines whether all interrupts are enabled or disabled
0 = Disabled
1 = Enabled
Note:
This register is readable with explicit address 0xF7. The
OR F, expr
and
AND F, expr
must be used to set and clear the CPU_F bits
Bit 3
Bit 2
Bit 1
Bit 0
Table 4. CPU Accumulator Register (CPU_A)
Bit #
Field
Read/Write
Default
Bits 7:0
8-bit data value holds the result of any logical/arithmetic instruction that uses a source addressing mode
7
6
5
4
3
2
1
0
CPU Accumulator [7:0]
–
0
–
0
–
0
–
0
–
0
–
0
–
0
–
0
CPU Accumulator [7:0]
Table 5. CPU X Register (CPU_X)
Bit #
7
6
5
4
3
2
1
0
Field
X [7:0]
Read/Write
–
–
–
–
–
–
–
–
Default
0
0
0
0
0
0
0
0
Bits 7:0
8-bit data value holds an index for any instruction that uses an indexed addressing mode
X [7:0]
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CYRF69103_12 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Programmable Radio on Chip Low Power
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